Temporary binder.



C. D. TBUSSBLL.

TEMPORARY BINDER. APPLIOATION FILED JAN. 2o, 1908.

919,497. i 9 Patentedipnz?, 1909.

Il! f il -WO gm /NVENTOH ing e osed butnoleiives being shown.

TEMPORARY BNDER.

Specification of Lettera Patent.

Patented April BL., if.

Application filed January 20, 1903. Serial No. eili.

which the following is zi speeiiieiitiou.

My invention relates to teiiiporziiw` binders for blziiil: books,ziceoiint rind ineiiioianduin I books, and the lile, iii which theleiives moy lie inserted or removed :it will.

The object ol' iny invention is to provide :i:

teinp'orziry binder of inexpensive, simple iiiid strong constructionwhich will present si neat appearance find which niiiy be readily openedfor the withdrawal or insertion of leiives and readily closed for theretention of the leiives.

Figuie oil the drawings/is zi perspective viewof iny teinporiir)rbinder, the covers lieing 0 ened and the sheet-holding prongs lielfig. Lis an efnd View of thel operating pzirts ol the saine, the sheet-holdingprongs being in closed position. Fig. 3 is u siiiiiiiir view to Figi 2,the slieetlliolding prongs heider shown -in open position.

Fig. -l is n piirtiul ser-- tional View on the line 4-4 ol` Fig. 2. Fig.isfa 4similar View on the line 5-5 ol' Fig. Il. Fig. 6 is :i perspectiveView of the operating inver, by means 0f wliieli the sheet-holdingprongs nre opened :ind closed. Fig'. T is :i

vertical sectioniilviewon the liney 7-7,ol' Fig.

1 illustrating :i inodii'ieiilion. Fig. 8 is ii View sifniliir to Fig.'4, iilso illustrating the inodiiimition.-

ie'ferring to' the drawings', 1 represents the covers ol' myteniporiirgy hinder having the biiek 2.' Lying inside the hunk 2 is thecurved spring pliite R provided with the iiij turnedl longitudinal edgesl adapted to engage, the outer edges ol` the right und left inevtiillieplates 5 provided 4with the downwardly extending: wings or flanges (jprovided with alternately :ind oppositely :irrsinged notches 7 und bentintegral teeth S. Vlie she \t-hold ing prongs l) lenter apertures l() inthe. nietzillie. plates 5 und :ibut against the wings (i, :is liestillustratedin Fig. 2 and Fig. 3. .it one end of the binder are formed inthe downwardly turned wings 6 oppositely zii-ranged notches ll liiivingthe inwardly extending projections l2 adapted to engage the iiperture 13in the operuting lever 14 whieli is pro position oi ilie ports the.plaie' :3 :ire :2' riti: -dowiiw-trd hy the, sprinpT pinta,

vided with :in outwardly exiendin :ind iin inner :irin lo lowing theeene'. 1 7. inside ille spi-ins ptite I? Ioinding,- strip lHwhirindieiited liet'ween the outer oi' the rover und is held liiuiiltween the outer edges oln pluies .i groove formed lijf the iiitiiriiedspring; plate Si.

in the modi `ein1ioii iiliisrfnl'e'l ind 3, the frlowiiwiirdlf' are :rotunity throughout nt the. and ii'liere their operiitinq tlie'notelies I"und te' i ther slieetdioldiiig p 1. gether :it their liiiwer o providedwith the infile one.

The slieet-holifling engage lio-les piiiiiflied leitves (not shown) oi'the their; iioniid iiii'iii the sitioii illiistriiled iii iii i :ind thesprings aire in clomid position Siting lover ll is posii'ioiiiid iisind. Figs. l, anni l sin. iliiit its oi tends upv-:ard eind conta-etsends of the pl-iites 5 while the. 1 in the downwardly ex'lending win theiinertiii'e 1,23. 'llie Hotel l? nds li.' the. winesv o wliicli nrestmddied Y iiiwiird extensions or the iiriii lo.

:is their juncture. idonei-lie inner e wings (i is slightly below the.point o' engagement ol the edges vof the plates 5 with the spring oliitoSi. The paris tension sind the operiitii n iever ii snugly thereby'n.giiinst the. ends of t plotes'. The sheotdioiding prongs El :iroclosely litted through tlio iipi-n'tiiies i0 in the pliitos 5 :ind airesoldered to the platos 5 ond wings (i for iidditioimi firmness 'lo opentlio siiee,tslioldingV prongs. the onteiiii-iii l5 of operating .leverlll is turned in' tile fingers outwfiri l); into the posiiioniiifi'ieiiied in Fig. The. lower edge olf noieli V' duringr thisniovoinent will engage the up; edge. of notehes 'il in the wings o iosluit sind wings :ind pliites fi iipwiird io (ho por?? "tion indient-edin Figs. .1% rind 5 lo open the springs :nid hold ilioin open. This npr;iiiovenieiii is slight, iiifisiiioili :is it is imnl no i. ill? eeeeryto seperate tire outer ends of the prongs more than as indica-ted,

The lower edges of wino's G still remain slightly below rfn 'l5 ofoperating lever 14 is turned up- .i end inward to its originel positionthe ng pressure of'spring plete 3 forces the to their initial positionindicated in Fig. e'. Enc-i1 notcn 7 in the lower edges of wings 3engaged by in cppositelzT arranvecl tooth slightly bent outwnrd from theedge of the wing 5.

in the niodilicetion illustrated in Figs. 7. end 8 the' Winge 6terminate :it the inner cirennierenee of the )ronge 9 which continue e.til they inee't in tire male end female joints. i9. 'The outer ends ofthe Wings 6 remain, eewewn', unchanged, with their notches l1 otherparte adapted for engagement o Mirthe eperel'ing lever i4.

lv'im.. i clfiini es new and desire to secure lijf Patent is 1` l l.. ne, temporary binder, a. sprinw pleteJ noeceitely arranged prong-cerrymgplates wir 'e against tile tension of the spring plete to open theprongs or to release the seme to permit the tension of the spring pleteto close the prongs.'

2. ln e temporary binder, a spring plete, oppositcly arrangedprongagrrying )lates engaged by the spring )late and having at one endinwardly turne ears or WingsJ sind sin operatinglever enga-ging seidinwardl)Y turned eers and adapted to be shifted to' force the prongs toopen or to release the same into closed position.

In e temporarybinder, a Spring plate, oppositely arranged prong-carryingplates engaged by seid spring plate, en inwardly turned Wing on eeelrprong-carrying plete, and an operating lever engaging both of seidyinwardly turned Wings.

4. In e temporary binder, a, sprin plate, prong-carrying plates engagedby sai( s )ring plate, an inner rejection extending dlown- Werd from oneosaid prong-carrying' plates, and en operating leve-r engaging saiddownward prolection.

5. ln a temporery binder, e spring plete, oppositely arrangedprong-carrying plates engaged by the spring pleteI and an operetinglever having e central aperture ede )ted to be engaged by inwardprojections i'lroln the prong-carrying plates.

Signed at New York in the county of New` Yorl endY State of New'Yorkthis 6th dey of January A. D. 1908.

CLARENCE l). 'IR'USSELL lWitnesses Geenen X. liennnson, Minnie KAUFFMAN.

